Rule 34 Dev - 3d_(artwork) 3d_animation air_inflation animated anthro ass balls barefoot beastars belly belly_expansion belly_grab belly_inflation belly_on_penis big_balls big_belly bird_dog butt_expansion canid canine canis digital_media_(artwork) domestic_dog dormitory duo erection expansion facesitting feet fernkarrythewolf fur genitals golden_retriever grey_body grey_fur hand_on_belly holding_ankle holding_leg humanoid_genitalia humanoid_penis hunting_dog inflation inside jack_(beastars) legoshi_(beastars) lidded_eyes looking_pleasured lying male male/male mammal navel nude on_back penis retriever short_playtime sitting sitting_on_another tail tail_motion tailwag tan_body tan_fur wide_eyed wolf|13653291680